2 papers
cond-mat.mes-hall2026
Non-Hermitian topological superconductivity with symmetry-enriched spectral and eigenstate features
Chuo-Kai Chang, Kazuma Saito, Nobuyuki Okuma +2
We investigate a one-dimensional superconducting lattice that realizes all internal symmetries permitted in non-Hermitian systems, characterized by nonreciprocal hopping, onsite di…
cond-mat.mes-hall2025
Quasiperiodicity-induced bulk localization with self similarity in non-Hermitian systems
Yu-Peng Wang, Chuo-Kai Chang, Ryo Okugawa +1
We analyze the localization behavior in a non-Hermitian system subject to a quasiperiodic onsite potential. We characterize localization transitions using multiple quantitative ind…